part. the total population of these nations is about 650 million. that accounts for about a third of the world's gross domestic product. the country's taking part in the talks hope to conclude the negotiations by the end of this year. japan decides to take part, what would be the impact on i wants economy. there are advantages and disadvantages. here are some of the major issues. u.s. tariffs are 5% for testi televisions and 2.5% for cars. it could enable japanese makers to sell them cheaper. more exports will help create more jobs in japan. the government estimates the real gross domestic product will grow about $33 billion. that's an extra growth of 0.06%.